linux-kernel - [PATCH] ASoC: Intel: Skylake: add an error code check in skl_pcm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231020092619.210520-1-suhui@nfschina.com>
Date:   Fri, 20 Oct 2023 17:26:20 +0800
From:   Su Hui <suhui@...china.com>
To:     cezary.rojewski@...el.com, pierre-louis.bossart@...ux.intel.com,
        liam.r.girdwood@...ux.intel.com, peter.ujfalusi@...ux.intel.com,
        yung-chuan.liao@...ux.intel.com, ranjani.sridharan@...ux.intel.com,
        kai.vehmanen@...ux.intel.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com
Cc:     Su Hui <suhui@...china.com>, zhangyiqun@...tium.com.cn,
        amadeuszx.slawinski@...ux.intel.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] ASoC: Intel: Skylake: add an error code check in skl_pcm_trigger

skl_decoupled_trigger() can return error code like -EPIPE if failed,
add check for this.

Signed-off-by: Su Hui <suhui@...china.com>
---
 sound/soc/intel/skylake/skl-pcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index ac3dc8c63c26..40308501f8bf 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -518,6 +518,9 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
 			return ret;
 
 		ret = skl_decoupled_trigger(substream, cmd);
+		if (ret < 0)
+			return ret;
+
 		if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) {
 			/* save the dpib and lpib positions */
 			hstream->dpib = readl(bus->remap_addr +
-- 
2.30.2